Contemporary lifestyle and work in urban environments as well as the introduction of modern technologies in the production and provision of services leads to less and less physical activity of people. People have seen the effects of exercise on the their body and studying the effects of exercises on individual organs and organic systems have come to the knowledge that physical exercise can be recommended and applied as a means of preserving, improving and improving human health. Often, ''fitness'' is identified with gym or fitness club, but fitness is far more than training in a gym. Fitness is a special form of physical exercise that is defined as the ability to perform a moderate to intense degree of physical activity without feeling tired as well as maintaining that ability throughout life. It enables an individual to perform everyday activities and tasks without tiredness, and to feel healthy, satisfied, and able to carry out these activities.